Glades Day School has two instructional divisions: Lower School and Upper School. The Lower School (PreK3 – 5) is organized by grade levels: Preschool, Primary grades, and Intermediate grades. The Lower School has an Assistant Principal and Lower School Coordinators to assist the Head of School in the curriculum and instruction areas associated with teaching and learning.  The Upper School (grades 6-12) has an Assistant Principal, Guidance Counselors and Department Heads to support the educational environment.